What is the Greatest Common Factor of 16890 and 16906?

Greatest common factor (GCF) of 16890 and 16906 is 2.

GCF(16890,16906) = 2

We will now calculate the prime factors of 16890 and 16906, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16890 and 16906.

How to find the GCF of 16890 and 16906?

We will first find the prime factorization of 16890 and 16906. After we will calculate the factors of 16890 and 16906 and find the biggest common factor number .

Step-1: Prime Factorization of 16890

Prime factors of 16890 are 2, 3, 5, 563. Prime factorization of 16890 in exponential form is:

16890 = 2¹ × 3¹ × 5¹ × 563¹

Step-2: Prime Factorization of 16906

Prime factors of 16906 are 2, 79, 107. Prime factorization of 16906 in exponential form is:

16906 = 2¹ × 79¹ × 107¹

Step-3: Factors of 16890

List of positive integer factors of 16890 that divides 16890 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 563, 1126, 1689, 2815, 3378, 5630, 8445

Step-4: Factors of 16906

List of positive integer factors of 16906 that divides 16890 without a remainder.

1, 2, 79, 107, 158, 214, 8453

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16890 and 16906. The biggest common factor number is the GCF number.
So the greatest common factor 16890 and 16906 is 2.

Also check out the Least Common Multiple of 16890 and 16906